Color

#337b28

#337b28
hex#337b28
rgbrgb(51, 123, 40)
hslhsl(112, 51%, 32%)
oklchoklch(0.518 0.138 141.1)
Closest name: Forestial (#007733)Relative luminance 0.1502

Colors that go with #337b28

Charcoal, Crimson and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#70287b

#5d7b28 · #287b47

#28337b · #7b2833

Split-complementary

Open in tool →

#47287b · #7b285d

#285d7b · #70287b · #7b4728

Contrast

#337b28 as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #2a6420 as the text (7.14:1)
Aaon black
4:1failpassfail
  • AA: use #38872c as the text (4.67:1)
  • AAA: use #48ad38 as the text (7.31:1)
  • AA: or shift the background to #f0f0f0 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #337b28 as the background.

Brands using this color

mcpConnect your agent — build around #337b28
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #337b28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337b28-a2bea2-864edf-1f2d23-eef1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md